Home / 331,972.40-458,121.90-188,732.44

Finding the Fourth Proportional to 331,972.40, 458,121.90 and 188,732.44

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Solution

The fourth proportional to 331,972.40, 458,121.90 and 188,732.44 is: 260,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,972.40 : 458,121.90 = 188,732.44 : x
  2. Step 2: Convert to fraction form
    331,972.40/458,121.90 = 188,732.44/x
  3. Step 3: Cross multiply
    331,972.40x = 458,121.90 × 188,732.44
  4. Step 4: Simplify right side
    331,972.40x = 86,462,464,004.44
  5. Step 5: Solve for x
    x = 86,462,464,004.44/331,972.40
  6. Step 6: Final answer
    x = 260,450.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.